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Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION PLAN - NONVESTED SHARES (Details)

v3.10.0.1
STOCK-BASED COMPENSATION PLAN - NONVESTED SHARES (Details)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2018
USD ($)
$ / shares
shares
Sep. 30, 2017
USD ($)
Nonvested shares Ìý Ìý
Additional information Ìý Ìý
Total unrecognized compensation cost | $ $ 26 Ìý
Weighted-average period over which cost is expected to be recognized (years) 1 year 9 months 18 days Ìý
Value of share awards vested | $ $ 24 $ 20
Performance Awards Ìý Ìý
STOCK-BASED COMPENSATION PLAN Ìý Ìý
Weighted-average expected volatility rate 44.30% 45.00%
Weighted-average risk-free interest rate (as a percent) 2.30% 1.50%
Additional information Ìý Ìý
Performance period 3 years 3 years
Equity Awards Ìý Ìý
Shares Ìý Ìý
Nonvested at the beginning of the period (in shares) 2,457,000 Ìý
Granted (in shares) 430,000 Ìý
Vested (in shares) (834,000) Ìý
Forfeited (in shares) (118,000) Ìý
Nonvested at the end of the period (in shares) 1,935,000 Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) | $ / shares $ 14.93 Ìý
Granted (in dollars per share) | $ / shares 35.18 Ìý
Vested (in dollars per share) | $ / shares 15.63 Ìý
Forfeited (in dollars per share) | $ / shares 15.67 Ìý
Nonvested at the end of the period (in dollars per share) | $ / shares $ 19.09 Ìý
Liability Awards Ìý Ìý
Shares Ìý Ìý
Nonvested at the beginning of the period (in shares) 696,000 Ìý
Granted (in shares) 169,000 Ìý
Vested (in shares) (335,000) Ìý
Forfeited (in shares) (15,000) Ìý
Nonvested at the end of the period (in shares) 515,000 Ìý
Weighted Average Grant-Date Fair Value Ìý Ìý
Nonvested at the beginning of the period (in dollars per share) | $ / shares $ 14.69 Ìý
Granted (in dollars per share) | $ / shares 32.77 Ìý
Vested (in dollars per share) | $ / shares 14.71 Ìý
Forfeited (in dollars per share) | $ / shares 15.02 Ìý
Nonvested at the end of the period (in dollars per share) | $ / shares $ 20.61 Ìý
Restricted stock units Ìý Ìý
Shares Ìý Ìý
Vested (in shares) (15,922) Ìý
Additional information Ìý Ìý
Units vested but not yet issued 358,609 Ìý